export const AMAP_KEY = process.env.AMAP_KEY || '';
export const AMAP_BASE_URL = process.env.AMAP_BASE_URL || 'https://restapi.amap.com';
export const TIMEOUT_MS = Number(process.env.TIMEOUT_MS || 5000);
export const CACHE_TTL_BASE_MS = Number(process.env.CACHE_TTL_BASE_MS || 60000); // 60s 实时
export const CACHE_TTL_ALL_MS = Number(process.env.CACHE_TTL_ALL_MS || 600000); // 10min 预报


